In general, the power increase 8% -36%, lower fuel consumption by 5%-25%, reduce emissions.
A. Naturally aspirated models can increase horsepower 10%; B. TURBO models can increase horsepower 20% -30% or even more; C. Shift more smoothly, the power of convergence even better; D. Solve many problem which the original can not resolved, such as the: low speed easy to turn off and the transmission shift shock etc. There are various of ECU programmer you can use.